'Glee'

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IN: Demi Lovato The pop singer and "X Factor" judge will have a pretty big recurring part in Season 5, playing a love interest for Naya Rivera's character, Santana. She's expected to appear in a half-dozen episodes.

IN: Demi Lovato The pop singer and "X Factor" judge will have a pretty big recurring part in Season 5, playing a love interest for Naya Rivera's character, Santana. She's expected to appear in a half-dozen episodes. (Getty Images)

IN: Demi Lovato The pop singer and "X Factor" judge will have a pretty big recurring part in Season 5, playing a love interest for Naya Rivera's character, Santana. She's expected to appear in a half-dozen episodes.